package com.log;

import org.apache.log4j.Logger;

public class HelloWorld {
    private static final Logger log = Logger.getLogger(HelloWorld.class);


    public static void main(String[] args) {
        log.trace("trace");
        log.debug("debug");
        log.info("info");
        log.error("error");
        log.fatal("fatal");
    }
}
